<template>
  <div>
    <MyTable :arr='list'>
      <template #head>
         <th>#</th>
        <th>商品名称</th>
        <th>价格</th>
        <th>标签</th>
        <th>操作</th>
      </template>
      <template #body="{row}">
               <td>{{ row.id }}</td>
        <td>{{ row.goods_name }}</td>
        <td>{{ row.goods_price }}</td>
        <td>
          <input
          class="tag-input form-control"
          style="width: 100px;"
          type="text"
          v-if="row.inputVisible"
          v-fff
          v-model='row.inputValue'
          @blur='row.inputVisible=false'
          @keydown.esc="row.inputValue=''"
          @keydown.enter="enterFn(row)"
          />
          <button 
          v-else 
          style="display: block;" 
          class="btn btn-primary btn-sm add-tag"
          @click="row.inputVisible = true"
          >+Tag</button>
          <span v-for="(str, index) in row.tags" :key='index'
          class="badge badge-warning"
          >
          {{ str }}
          </span>
          </td>
          <td>
            <button @click='delFn(row.id)'  class="btn btn-danger btn-sm">删除</button>
          </td>
      </template>
    </MyTable>
  </div>
</template>

<script>
import MyTable from "../components/MyTable";

export default {
  components: {
    MyTable,
  },
  data() {
    return {
      list: [] // 所有数据
    };
  },
  created(){
    this.$axios({
      url:'/api/goods',
    }).then(res=>{
      this.list=res.data.data
    }).catch(err=>{
      console.log(err);
    })
  },
  methods: {
    delFn(id){
      //根据id来删除，其余的添加到数组
      this.list=this.list.filter(item=>item.id!==id)
    },
    enterFn(row){
      //判断input为空不能提交
      if(row.inputValue.trim()===''){
        alert('不能为空')
      }
      row.tags.push(row.inputValue)
      row.inputValue=''
    }
  },
  directives: {
    fff:{
      inserted(el){
        el.focus()
      }
    }
  }
};
</script>